CN205207301U - Control system and track type tractor - Google Patents
Control system and track type tractor Download PDFInfo
- Publication number
- CN205207301U CN205207301U CN201520820798.4U CN201520820798U CN205207301U CN 205207301 U CN205207301 U CN 205207301U CN 201520820798 U CN201520820798 U CN 201520820798U CN 205207301 U CN205207301 U CN 205207301U
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- CN
- China
- Prior art keywords
- valve
- way cylinder
- control system
- way
- cat
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- Expired - Fee Related
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- 239000012530 fluid Substances 0.000 claims abstract description 15
- 241000282326 Felis catus Species 0.000 claims description 43
- 239000002828 fuel tank Substances 0.000 claims description 24
- 238000009331 sowing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 32
- 230000001276 controlling effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Fluid-Pressure Circuits (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Abstract
The utility model provides a control system for track type tractor, including oil pump, switching -over valve and two -way cylinder, the both sides of switching -over valve are respectively through oil circuit and oil pump and two -way cylinder intercommunication, the two -way cylinder with still be equipped with first check valve between the switching -over valve, the two -way cylinder with oil tank intercommunication, and still be equipped with on the pipeline between two -way cylinder and the oil tank and be used for controlling fluid flow of control valve, come from the fluid of oil pump flows in the two -way cylinder through switching -over valve, first check valve respectively. The control system of this structure, owing to still be equipped with the control valve between two -way cylinder and the oil tank, the fluid flow that flows in the two -way cylinder can be adjusted as required in real time to the control valve, further adjusts the pressure in the two -way cylinder, and then guarantees the arable land effect to improve arable land efficiency. On the other hand, the utility model discloses still provide the track type tractor including above -mentioned control system.
Description
Technical field
The utility model relates to field of agricultural machinery, particularly a kind of control system and cat.
Background technique
Along with the development of China's economy, various types of tractor, as wheeled tractor, cat etc., due to its extensive use, have been widely used in Agricultural Activities at present.
Tractor is except for except transporting, also can be used for cultivating, as for plowing, for rice transplanting etc., for the tractor of cultivating, adopt crawler at present more, it is by diesel engine powers, through gearbox gear-shift speed change, then drives farm implements operation by output shaft of gear-box, farm implements are promoted by unidirectional single oil cylinder, rely on farm implements from focusing on Tian Tuzhong rolling operation., all there are some problems in now widely used cat, specific as follows:
First, ploughing capacity is low.Now widely used tractor, in cultivated land process, when running into harder soil property, altering on rotary cultivator is easy, causing inefficiency of ploughing, arable land weak effect.
Secondly, integrating control is poor.Now widely used tractor, comparatively speaking, integrating control is poor, adjustment farm implements lifting device comparatively difficulty and poor efficiency.
In sum, how to provide a kind of ploughing capacity high, the control system for controlling cat that control effects is good, and comprise the cat of this control system, become those skilled in the art to need the technical problem of solution badly.
Model utility content
Based on the deficiencies in the prior art, it is high that one of problem to be solved in the utility model is to provide a kind of ploughing capacity, the control system for controlling cat that control effects is good.
Two of problem to be solved in the utility model is to provide a kind of cat comprising above-mentioned control system.
For one of solving the problems of the technologies described above, the utility model provides a kind of control system, for cat, comprise oil pump, selector valve and two-way cylinder, the both sides of described selector valve are communicated with two-way cylinder with oil pump respectively by oil circuit, also be provided with the first one-way valve between described two-way cylinder and described selector valve, described two-way cylinder is communicated with described fuel tank, and pipeline between two-way cylinder and fuel tank is also provided with the control valve for controlling fluid flow; Fluid from described oil pump flows into two-way cylinder through selector valve, the first one-way valve respectively.
As the improvement on the one hand of a kind of control system of the utility model, described oil pump is gear pump, and the oil inlet end of described gear pump is communicated with described fuel tank, and the oil outlet end of described gear pump is communicated with selector valve.
As the improvement on the one hand of a kind of control system of the utility model, described selector valve is three position four-way directional control valve.
As the improvement on the one hand of a kind of control system of the utility model, described selector valve is hand-operated direction valve, and one end of described selector valve is provided with operating grip; Or described selector valve is solenoid directional control valve.
As the improvement on the one hand of a kind of control system of the utility model, the quantity of described two-way cylinder is two, and two two-way cylinders are set up in parallel.
As the improvement on the one hand of a kind of control system of the utility model, the second one-way valve that described control valve is comprised throttle valve and is communicated with throttle valve by pipeline, be communicated with the rodless cavity of described two-way cylinder near one end of described throttle valve, be communicated with fuel tank near one end of described second one-way valve.
The control system of said structure, for cat, comprise oil pump, selector valve and two-way cylinder, the both sides of selector valve are communicated with two-way cylinder with oil pump respectively by oil circuit, the first one-way valve is also provided with between two-way cylinder and selector valve, two-way cylinder is communicated with fuel tank, and pipeline between two-way cylinder and fuel tank is also provided with the control valve for controlling fluid flow; Fluid from oil pump flows into two-way cylinder through selector valve, the first one-way valve respectively.The control system of this structure, compared with the control system of existing structure, owing to being also provided with control valve between two-way cylinder and fuel tank, control valve can regulate the fluid flow flowing into two-way cylinder as required in real time, regulates the pressure in two-way cylinder further.When set-up of control system is in cat, just regulate the pressure of the agricultural machinery and implement on cat by rodless cavity pressure, namely according to the soil property situation in field, adjustment agricultural machinery and implement pressure in time, thus improve ploughing capacity, ensure arable land effect.
For solve the problem two, the utility model also proposes a kind of cat, comprises the control system for controlling cat, and described control system is the control system as above described in any one.
As the improvement on the one hand of a kind of cat of the utility model, described cat is also provided with agricultural machinery and implement, and described agricultural machinery and implement are communicated with described two-way cylinder by oil pipe.
As the improvement on the one hand of a kind of cat of the utility model, described cat is also provided with lower arm, and described agricultural machinery and implement are arranged at cat rear portion by lower arm.
As the improvement on the one hand of a kind of cat of the utility model, described agricultural machinery and implement are at least one in rotary cultivator, mouldboard plow, boat tractor and sowing machine.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.
Fig. 1 is a kind of control system schematic diagram of the utility model;
Fig. 2 is the structural representation of a kind of cat of the utility model;
Cat schematic diagram when Fig. 3 is in running order;
Fig. 4 is the plan view of Fig. 3.
Reference character closes:
1 filter 2 gear pump 3 relief valve
4 selector valve 5 first one-way valve 6 second one-way valves
7 throttle valve 8 two-way cylinder 9 chassis
10 lower arm 11 diverter valve block 12 integrated valves
13 position-limited lever 14 rotary cultivator 15 crawler belts
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Control system as shown in Figure 1, for cat, particularly, control system comprises fuel tank, oil pump, selector valve 4 and two-way cylinder 8, the side of selector valve 4 is communicated with oil pump by oil circuit, the opposite side of selector valve 4 is communicated with two-way cylinder 8 by oil circuit, oil circuit between two-way cylinder 8 and selector valve 4 is also provided with the first one-way valve 5, simultaneously, two-way cylinder 8 is communicated with fuel tank, and pipeline between two-way cylinder 8 and fuel tank is also provided with control valve, control valve for controlling the oil mass entering two-way cylinder 8, and then controls the oil pressure of oil cylinder.For the flow direction of fluid, flowed into selector valve 4 by oil pump, flowed into the first one-way valve 5 again, then flow into two-way cylinder 8, thus promotion two-way cylinder 8 moves.The control system of this structure, compared with the control system of existing structure, owing to being also provided with control valve between two-way cylinder 8 and fuel tank, control valve can regulate the fluid flow flowing into two-way cylinder 8 as required in real time, regulates the pressure in two-way cylinder 8 further.When set-up of control system is in cat, just regulate the pressure of the agricultural machinery and implement on cat by rodless cavity pressure, namely according to the soil property situation in field, adjustment agricultural machinery and implement pressure in time, thus improve ploughing capacity, ensure arable land effect.
As shown in Figure 1, for oil pump, be preferably gear pump 2, gear pump 2 specifically comprises oil inlet end and oil outlet end, and the oil inlet end of gear pump 2 is communicated with fuel tank by oil pipe, and oil outlet end is then communicated with selector valve 4 by oil pipe.Gear pump 2 provides power by the motor of tractor, specifically by power take-off from engine torque extraction, can also be other power taking mode, when engine revolution, can rotate by driven gear pump 2, and then hydraulic oil stress-free in fuel tank is converted to high pressure oil.It should be noted that, for preventing the impurity in fuel tank from entering in oil pipe, the pipeline between gear pump 2 and fuel tank being also provided with filter 1.
As shown in Figure 1, for selector valve 4, be specifically preferably three position four-way directional control valve, in one embodiment, three position four-way directional control valve is solenoid directional control valve, realizes automatic reverse by the break-make of electric current.In another kind of embodiment, three position four-way directional control valve is hand-operated direction valve, and namely by manually commutating, as shown in Figure 1, for convenience of operation, the right-hand member end of selector valve 4 is also provided with operating grip, when needing commutation, is operated by this operating grip.By operating this handle, the left position work of selector valve 4 can be made, also can make the meta work of selector valve 4, also can make the right position work of selector valve 4.
It should be noted that, in technique scheme, when the left position work of solenoid valve, from the hydraulic oil of gear pump 2 through the left position of solenoid valve, flow into the rodless cavity of two-way cylinder 8, now, the piston rod of two-way cylinder 8 moves upward.And when the meta work of selector valve 4, two-way cylinder 8 quits work, and hydraulic oil cannot flow into two-way cylinder 8.And when the right position work of selector valve 4, from the hydraulic oil of gear pump 2 through the right position of solenoid valve, flow into the rod chamber of two-way cylinder 8, now, the piston rod of two-way cylinder 8 moves downward.
Technique scheme, as shown in Figure 1, the quantity of two-way cylinder 8 is two, and two two-way cylinders 8 are set up in parallel, the rodless cavity of two two-way cylinders 8 is communicated with selector valve 4 by the first one-way valve 5, the quantity of the first one-way valve 5 is two, and the rod chamber of two two-way cylinders 8 is communicated with selector valve 4 by another first one-way valve 5.The structure of two the first one-way valves 5 is consistent, and two the first one-way valves 5 are set up in parallel.
Further, as shown in Figure 1, the second one-way valve 6 that control valve specifically comprises throttle valve 7 and is communicated with throttle valve 7, throttle valve 7 is communicated with by oil pipe with the second one-way valve 6.The one end being provided with throttle valve 7 in pipeline is communicated with the rodless cavity of two-way cylinder 8, and the one end being provided with the second one-way valve 6 is then communicated with fuel tank.By throttle valve 7, ducted fluid flow can be regulated in real time, particularly, when throttle valve 7 standard-sized sheet, the fluid in the rodless cavity of two-way cylinder 8 all flows in fuel tank, now, two-way cylinder 8 cannot pressurize to agricultural machinery and implement, and agricultural machinery and implement can only work under gravity.On the contrary, when throttle valve 7 complete shut-down, or when aperture is less, hydraulic oil can not, or only have comparatively small part to flow into fuel tank, now, form working pressure in the rodless cavity of two-way cylinder 8, this pressure can pressurize to agricultural machinery and implement in real time.It should be noted that, be the Security of Guarantee control system work, be also provided with relief valve 3 in control system, its concrete set-up mode, refers to Fig. 1 or prior art.
The control system of said structure, compared with the control system of existing structure, owing to being also provided with control valve between two-way cylinder 8 and fuel tank, control valve can regulate the fluid flow flowing into two-way cylinder 8 as required in real time, regulates the pressure in two-way cylinder 8 further.When set-up of control system is in cat, just regulate the pressure of the agricultural machinery and implement on cat by rodless cavity pressure, namely according to the soil property situation in field, adjustment agricultural machinery and implement pressure in time, thus improve ploughing capacity, ensure arable land effect.
In addition, the control system of this structure, controls the working pressure of agricultural machinery and implement, improve the deficiency that existing agricultural machinery and implement mainly work under gravity, and control efficiency is good, and integrating control is effective by control system.
On the other hand, as shown in Figures 2 to 4, the utility model also proposes a kind of cat, comprises the control system for controlling cat, and particularly, control system is control system as above.
In technique scheme, for convenience of arable land or rice transplanting etc., the vehicle body of cat is also provided with agricultural machinery and implement.Particularly, cat also comprises crawler belt 15 and chassis 9, and chassis 9 is also provided with lower arm 10, and agricultural machinery and implement are arranged at the body tail of cat by lower arm 10.
For agricultural machinery and implement, being specifically as follows rotary cultivator 14, can also be mouldboard plow, can also be boat tractor or sowing machine, it should be noted that, two or more agricultural machinery and implement above-mentioned can also be set simultaneously, in using process, according to different application occasions, use different agricultural machinery and implement, realize a tractor serves several purposes of cat, increase operation rate, reduce user cost.
For two-way cylinder 8, except for controlling except the working pressure of agricultural machinery and implement, also can be used for crawler belt 15 jack-up cat, being conducive to the care and maintenance of cat.
In addition, as shown in Figures 2 to 4, cat also comprises the parts such as diverter valve block 11, integrated valve 12 and position-limited lever 13, and its concrete structure and set-up mode with reference to existing and improvement opportunity, can not repeat them here.
The cat of said structure, correspondingly, according to different soil properties, regulates the pressure of two-way cylinder 8 by control valve, and then adjustment agricultural machinery and implement, cultivates the degree of depth as rotary cultivator 14, has ploughing capacity high, cultivates effective advantage., due to can a tractor serves several purposes be realized, can also increase operation rate further meanwhile, thus reduce user cost.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a control system, for cat, it is characterized in that, comprise fuel tank, oil pump, selector valve (4) and two-way cylinder (8), the both sides of described selector valve (4) are communicated with two-way cylinder (8) with oil pump respectively by oil circuit, the first one-way valve (5) is also provided with between described two-way cylinder (8) and described selector valve (4), described two-way cylinder (8) is communicated with described fuel tank, and pipeline between two-way cylinder (8) and fuel tank is also provided with the control valve for controlling fluid flow;
Fluid from described oil pump flows into two-way cylinder (8) through selector valve (4), the first one-way valve (5) respectively.
2. control system according to claim 1, it is characterized in that, described oil pump is gear pump (2), and the oil inlet end of described gear pump (2) is communicated with described fuel tank, and the oil outlet end of described gear pump (2) is communicated with selector valve (4).
3. control system according to claim 1, is characterized in that, described selector valve (4) is three position four-way directional control valve.
4. control system according to claim 3, is characterized in that, described selector valve (4) is hand-operated direction valve, and one end of described selector valve (4) is provided with operating grip; Or described selector valve (4) is solenoid directional control valve.
5. control system according to claim 1, is characterized in that, the quantity of described two-way cylinder (8) is two, and two two-way cylinders (8) are set up in parallel.
6. control system according to claim 5, it is characterized in that, the second one-way valve (6) that described control valve is comprised throttle valve (7) and is communicated with throttle valve (7) by pipeline, be communicated with the rodless cavity of described two-way cylinder (8) near one end of described throttle valve (7), be communicated with fuel tank near one end of described second one-way valve (6).
7. a cat, comprising the control system for controlling cat, it is characterized in that, the control system of described control system according to any one of claim 1 to 6.
8. cat according to claim 7, is characterized in that, described cat is also provided with agricultural machinery and implement, and described agricultural machinery and implement are communicated with described two-way cylinder (8) by oil pipe.
9. cat according to claim 8, is characterized in that, described cat is also provided with lower arm (10), and described agricultural machinery and implement are arranged at cat rear portion by lower arm (10).
10. cat according to claim 8, is characterized in that, described agricultural machinery and implement are at least one in rotary cultivator (14), mouldboard plow, boat tractor and sowing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520820798.4U CN205207301U (en) | 2015-10-22 | 2015-10-22 | Control system and track type tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520820798.4U CN205207301U (en) | 2015-10-22 | 2015-10-22 | Control system and track type tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207301U true CN205207301U (en) | 2016-05-04 |
Family
ID=55845022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520820798.4U Expired - Fee Related CN205207301U (en) | 2015-10-22 | 2015-10-22 | Control system and track type tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207301U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627758A (en) * | 2017-02-15 | 2017-05-10 | 长沙桑铼特农业机械设备有限公司 | Proportional steering driving axle for caterpillar band device |
| CN107061391A (en) * | 2017-05-08 | 2017-08-18 | 山西大学 | Automatic reverse is plowed machine hydraulic system |
-
2015
- 2015-10-22 CN CN201520820798.4U patent/CN205207301U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627758A (en) * | 2017-02-15 | 2017-05-10 | 长沙桑铼特农业机械设备有限公司 | Proportional steering driving axle for caterpillar band device |
| CN106627758B (en) * | 2017-02-15 | 2017-12-15 | 长沙桑铼特农业机械设备有限公司 | A kind of proportion expression steering and driving axle for crawler equipment |
| CN107061391A (en) * | 2017-05-08 | 2017-08-18 | 山西大学 | Automatic reverse is plowed machine hydraulic system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 |